CN203846518U - Sheet pile combination type cofferdam - Google Patents
Sheet pile combination type cofferdam Download PDFInfo
- Publication number
- CN203846518U CN203846518U CN201420137367.3U CN201420137367U CN203846518U CN 203846518 U CN203846518 U CN 203846518U CN 201420137367 U CN201420137367 U CN 201420137367U CN 203846518 U CN203846518 U CN 203846518U
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- Prior art keywords
- cofferdam
- sheet pile
- wall
- wallboard
- combined type
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 44
- 239000010959 steel Substances 0.000 claims abstract description 44
- 238000010276 construction Methods 0.000 abstract description 12
- 238000005553 drilling Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Revetment (AREA)
Abstract
The utility model discloses a sheet pile combination type cofferdam and relates to the bridge construction field. The sheet pile combination type cofferdam comprises a wall plate, an upper ring beam and a lower ring beam; the wall plate comprises an outer wall, section steel and an inner wall; the section steel is welded between the outer wall and the inner wall; the outer wall and the inner wall are formed by steel plates; the cross section of the wall plate is in a hollow rectangular shape; four corner piles are arranged in four corners of the wall plate respectively; the corner piles are formed by steel pipes; the inner bottom of the wall plate is provided with a plurality of drilling piles which are inserted into the bottom of a riverbed integrally; the plurality of drilling piles are symmetrical with the bottom of the wall plate as the center; the cross section of the upper ring beam is in an annular shape and the cross section of the lower ring beam is in an annular shape; the upper ring beam surrounds the periphery of the top of the wall plate; the lower ring beam surrounds the periphery of the portion of the edge of the wall plate, wherein the portion of the edge of the wall plate is in contact with the riverbed. According to the sheet pile combination type cofferdam, the stability of the integral structure of the cofferdam can be enhanced; the wall plate of the cofferdam is buried shallowly and accordingly the work amount can be effectively reduced; a ring beam or an inner support does not need to be arranged in the cofferdam separately and accordingly the working space in the cofferdam is ensured and the construction efficiency can be effectively improved.
Description
Technical field
The utility model relates to field of bridge construction, is specifically related to a kind of sheet pile combined type cofferdam.
Background technology
Along with social development, the building size of highway bridge is increasing, in bridge foundation construction, in the time that bridge pier, stylobate plinth are positioned at below the water level of earth's surface, need to build into various forms of cofferdam according to local material.Cofferdam refers in hydraulic engineering construction, for building permanent water conservancy projects, and the provisional space enclosing structure of building.Its effect is to prevent that water and soil from entering the position of building of building, so that at cofferdam internal drainage, excavation pit, builds building, ensures normally carrying out of construction.
Common cofferdam form mainly contains steel sheet-pile cofferdam, concrete cofferdam, steel boxed cofferdam, steel suspended box cofferdam, steel-Combined concrete cofferdam etc. at present.Wherein, steel sheet-pile cofferdam have speed of application fast, good in economic efficiency, the plurality of advantages, the coffering while being widely used in constructing a bridge deep water foundation such as can reuse.But steel sheet-pile cofferdam cushion cap is affected by environment external load in work progress, Path of Force Transfer is indefinite, and the overall structure in cofferdam is stable not, and steel sheet-pile cofferdam buries very dark, and engineering quantity is larger; And sheet pile cofferdam generally need to design collar tie beam and inner support, meet the requirement of cofferdam on stressed, in the process of construction, crisscross inner supporting structure, affects working space in cofferdam to a certain extent, has reduced the efficiency of construction.
Utility model content
The purpose of this utility model is the deficiency in order to overcome above-mentioned background technology, and a kind of sheet pile combined type cofferdam is provided, and can strengthen the integrally-built stability in cofferdam; Cofferdam wallboard buries more shallow, can effectively reduce engineering quantity; In cofferdam, do not need to arrange separately collar tie beam and inner support, ensured to greatest extent the working space in cofferdam, can effectively improve efficiency of construction.
The utility model provides a kind of sheet pile combined type cofferdam, comprise wallboard, wallboard comprises outer wall, shaped steel and inwall, described steel welding is connected between outer wall and inwall, outer wall and inwall all adopt steel plate to make, the cross section of wallboard is the rectangle of hollow, four jiaos of wallboard are respectively provided with an angle stake, the stake of each angle all adopts steel pipe to make, the inner bottom part of wallboard is provided with some entirety and inserts the drilled pile of bottom, riverbed, some drilled piles are about bottom centre's symmetry of wallboard, described sheet pile combined type cofferdam also comprises collar tie beam and lower ring beam, the cross section of described upper collar tie beam and lower ring beam all in the form of a ring, upper collar tie beam is looped around the periphery of top of panels, lower ring beam is looped around the periphery, edge that wallboard contacts with riverbed.
On the basis of technique scheme, described outer wall adopts the steel plate of 10 millimeters thick to make.
On the basis of technique scheme, described inwall adopts the steel plate of 10 millimeters thick to make.
On the basis of technique scheme, the length of described shaped steel is 450 millimeters.
On the basis of technique scheme, the diameter of described angle stake is 2 meters, and thickness is 22 millimeters.
On the basis of technique scheme, described upper collar tie beam employing thickness is that the steel plate of 30 millimeters is made.
On the basis of technique scheme, described lower ring beam employing thickness is that the steel plate of 30 millimeters is made.
On the basis of technique scheme, described drilled pile is cylindrical.
On the basis of technique scheme, the stake of described angle adopts steel cylindrical tube to make.
Compared with prior art, advantage of the present utility model is as follows:
(1) the utility model stressed in work progress after, by upper collar tie beam, horizontal external load is passed to 4 angle stakes, ensure the monolithic stability in cofferdam by 4 angle stakes.
(2) degree of depth that cofferdam of the present utility model wallboard buries is more shallow, can effectively reduce engineering quantity.
(3) the utility model is designed with collar tie beam and lower ring beam at cofferdam outer wall, does not need to arrange separately collar tie beam and inner support in cofferdam, has ensured to greatest extent the working space in cofferdam, can effectively improve efficiency of construction.
Brief description of the drawings
Fig. 1 is the top view in sheet pile combined type cofferdam in the utility model embodiment.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the inserted to play schematic diagram of guide pile.
Fig. 4 is the schematic diagram of clear base in cofferdam.
Fig. 5 is the scheme of installation of pile driving frame.
Fig. 6 is the inserted to play schematic diagram of steel pipe pile.
Fig. 7 is the schematic diagram of boring.
Fig. 8 is the schematic diagram drawing water in cofferdam.
Fig. 9 is the scheme of installation of supporting seat.
Figure 10 is the scheme of installation of prefabricated cushion cap.
Reference numeral: 1-outer wall, 2-shaped steel, 3-inwall, the stake of 4-angle, 5-upper collar tie beam, 6-drilled pile, 7-cofferdam, 8-wallboard, 9-binary hangs ship, 10-dredging plant, 11-pile driving frame, 12-steel pipe pile, 13-concrete, 14-prefabricated cushion cap, 15-preformed hole, 16-hawser, 17-stake top anchor device, 18-pile driving equipment, 19-rig, 20-supporting seat.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Shown in Figure 1, the utility model embodiment provides a kind of sheet pile combined type cofferdam, comprises wallboard 8, wallboard 8 comprises outer wall 1, shaped steel 2 and inwall 3, in actual applications, outer wall 1 adopts the steel plate of 10 millimeters thick to make, and inwall 1 adopts the steel plate of 10 millimeters thick to make.Described shaped steel 2 is welded between outer wall 3 and inwall 1, and the length of shaped steel 2 is 450 millimeters.Outer wall 1 and inwall 3 all adopt steel plate to make, and the cross section of wallboard 8 is the rectangle of hollow, and four jiaos of wallboard 8 are respectively provided with an angle stake 4, and each angle stake 4 all adopts steel pipe to make, and angle stake 4 adopts steel cylindrical tube to make, and the diameter of angle stake 4 is 2 meters, and thickness is 22 millimeters.The inner bottom part of wallboard 8 is provided with some entirety and inserts the drilled pile 6 of bottom, riverbed, drilled pile 6 is cylindrical, some drilled piles 6 are about bottom centre's symmetry of wallboard 8, sheet pile combined type cofferdam also comprises collar tie beam 5 and lower ring beam, the cross section of upper collar tie beam 5 and lower ring beam all in the form of a ring, upper collar tie beam 5 is looped around the periphery at wallboard 8 tops, and lower ring beam is looped around the periphery, edge that wallboard 8 contacts with riverbed.In actual applications, it is that the steel plate of 30 millimeters is made that upper collar tie beam 5 adopts thickness, and it is that the steel plate of 30 millimeters is made that lower ring beam adopts thickness.
Sheet pile combined type cofferdam in the utility model embodiment becomes entirety by wallboard 8, angle stake 4, upper collar tie beam 5 and lower ring beam spelling, be convenient to cofferdam on-site consolidation and dismounting, the load of cofferdam wallboard 8 is passed to 4 angle stakes 4 by upper collar tie beam 5, the integrated support point that angle stake 4 is cofferdam, bear from cofferdam wallboard 8 and transmit by upper collar tie beam 5 the load of coming, the stability in whole cofferdam is played to key effect.
The work progress of the utility model embodiment is as follows:
A, utilization are hung ship overall cofferdam are positioned: shown in Fig. 1, Fig. 2, on the coast sheet pile combined type cofferdam is combined into entirety, then utilize binary hang ship 9 by cofferdam 7 transportation by drivings to pier position place, cofferdam 7 is in transportation, angle stake 4 is anchored to 7 four, cofferdam angle point, and with hawser 16, cofferdam 7 is fixed on to binary and hangs on ship 9, binary hangs ship 9 and casts anchor, and monolithic sheet pile cofferdam is carried out to fine positioning;
B, 4 anchoring piles of inserted to play, cofferdam 7 entirety are sunk and lock: the anchor device of anchoring angle stake 4 is discharged, make angle stake 4 insert riverbed by the guiding device on upper collar tie beam 5.Shown in Figure 3, utilize pile driving barge successively by 4 angle stake 4 inserted to plays to design attitude, cofferdam 7 entirety sinks to putting in place, and again cofferdam 7 is anchored in angle stake 4;
C, shown in Figure 4, hangs at binary under the operating environment of ship 9, utilizes dredging plant 10 to carrying out excavation of foundation pit in 7 scopes of cofferdam, dredges to design elevation;
D, utilize iron barge that pile driving frame 11 is transported to pier position, utilize binary to hang ship 9 pile driving frame 11 is installed, the design attitude of adjusting pile driving frame 11 is installed, shown in Figure 5, utilize stake top anchor device 17 pile driving frame 11 to be locked in the angle stake 4 in cofferdam 7, after having installed, binary hangs ship 9 and exits, the double drilling platform that does of pile driving frame 11;
E, shown in Figure 6, utilize other pile driving equipments 18 such as pile driving frame 11 grades successively some steel pipe piles of inserted to play 12 to design altitude;
F, the interior foundation ditch in cleaning cofferdam 7, after cleaning out, build bottom concrete 13 under water;
G, shown in Figure 7, rigging up 19, carries out drilled pile 6 construction operations in batches;
H, referring to shown in Fig. 8, Fig. 9, after drawing water in cofferdam 7 and cleaning out, levelling, lays supporting seat 20;
I, shown in Figure 10, utilizes binary to hang ship 9 prefabricated cushion cap 14 liftings is transported to pier position place.Cushion cap 14 lifts by crane, hangs stake, adjusts cushion cap absolute altitude and plan-position.After adjustment, build the concrete in the preformed hole 15 between cushion cap 14 and drilled pile 6;
J, dismounting cofferdam 7, proceed subsequent handling construction.
Those skilled in the art can carry out various modifications and variations to the utility model embodiment; if these amendments and modification are within the scope of the utility model claim and equivalent technologies thereof, these amendments and modification are also within protection domain of the present utility model.
The prior art that the content of not describing in detail in manual is known to the skilled person.
Claims (9)
1. a sheet pile combined type cofferdam, comprise wallboard (8), wallboard (8) comprises outer wall (1), shaped steel (2) and inwall (3), described shaped steel (2) is welded between outer wall (3) and inwall (1), outer wall (1) and inwall (3) all adopt steel plate to make, the cross section of wallboard (8) is the rectangle of hollow, four jiaos of wallboard (8) are respectively provided with an angle stake (4), each angle stake (4) all adopts steel pipe to make, the inner bottom part of wallboard (8) is provided with some entirety and inserts the drilled pile (6) of bottom, riverbed, some drilled piles (6) are about bottom centre's symmetry of wallboard (8), it is characterized in that: described sheet pile combined type cofferdam also comprises collar tie beam (5) and lower ring beam, the cross section of described upper collar tie beam (5) and lower ring beam all in the form of a ring, upper collar tie beam (5) is looped around the periphery at wallboard (8) top, lower ring beam is looped around the periphery, edge that wallboard (8) contacts with riverbed.
2. sheet pile combined type as claimed in claim 1 cofferdam, is characterized in that: described outer wall (1) adopts the steel plate of 10 millimeters thick to make.
3. sheet pile combined type as claimed in claim 1 cofferdam, is characterized in that: described inwall (1) adopts the steel plate of 10 millimeters thick to make.
4. sheet pile combined type as claimed in claim 1 cofferdam, is characterized in that: the length of described shaped steel (2) is 450 millimeters.
5. sheet pile combined type as claimed in claim 1 cofferdam, is characterized in that: the diameter of described angle stake (4) is 2 meters, thickness is 22 millimeters.
6. sheet pile combined type as claimed in claim 1 cofferdam, is characterized in that: described upper collar tie beam (5) employing thickness is that the steel plate of 30 millimeters is made.
7. sheet pile combined type as claimed in claim 1 cofferdam, is characterized in that: described lower ring beam employing thickness is that the steel plate of 30 millimeters is made.
8. sheet pile combined type as claimed in claim 1 cofferdam, is characterized in that: described drilled pile (6) is cylindrical.
9. the sheet pile combined type cofferdam as described in any one in claim 1 to 8, is characterized in that: described angle stake (4) adopts steel cylindrical tube to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420137367.3U CN203846518U (en) | 2014-03-25 | 2014-03-25 | Sheet pile combination type cofferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420137367.3U CN203846518U (en) | 2014-03-25 | 2014-03-25 | Sheet pile combination type cofferdam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203846518U true CN203846518U (en) | 2014-09-24 |
Family
ID=51559555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420137367.3U Expired - Lifetime CN203846518U (en) | 2014-03-25 | 2014-03-25 | Sheet pile combination type cofferdam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203846518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727303A (en) * | 2015-04-03 | 2015-06-24 | 王燏斌 | I-type sheet pile for tunnel construction |
-
2014
- 2014-03-25 CN CN201420137367.3U patent/CN203846518U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727303A (en) * | 2015-04-03 | 2015-06-24 | 王燏斌 | I-type sheet pile for tunnel construction |
| CN104727303B (en) * | 2015-04-03 | 2016-05-18 | 王燏斌 | I template stake for constructing tunnel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GROUP CO., LTD., ZHONGTIE DAQIAO BUREAU Free format text: FORMER OWNER: CHINA ZHONGTIE MAJOR BRIDGE ENGINEERING CO., LTD. Effective date: 20150302 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430074 WUHAN, HUBEI PROVINCE TO: 430050 WUHAN, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150302 Address after: 430050 Hanyang Road, Hanyang District, Hubei, No. 38, No. Patentee after: CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP Co.,Ltd. Address before: 430074 Hubei Province, Wuhan City Dongxin East Lake New Technology Development Zone Road SBI Venture Street No. 6 Building 12 layer Patentee before: CHINA RAILWAY MAJOR BRIDGE ENGINEERING Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |